Sometimes the longest chain is not unique, thus will return all candidates with longest length

1 | ```
longest.chain(gemat, sp)
``` |

`gemat` |
standard square graph matrix |

`sp` |
the node/species you want to search |

Youhua Chen <haydi@126.com>

Chen Y (2012) loop: an R package for performing decomposition of weighted directed graphs, food web analysis and flexible network plotting. Submitted.

`shortest.chain`

,
`largest.weight`

,
`smallest.weight`

,
`lclw`

1 2 3 4 5 6 | ```
#mat=matrix(c(0,5,3,7,0,5,0,8,0,4,3,8,0,1,6,7,0,1,0,2,0,4,6,2,0),5,5)
#search for species 3
#lclw(gemat=mat,sp=3)
#longest chain isn't necessary to have largest weights
#largest.weight(gemat=mat,sp=3)
#longest.chain(gemat=mat,sp=3)
``` |

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